Las Esperanzas Weather Records (MXN00005166)

Record envelope, standing records and threshold days for Las Esperanzas (MXN00005166), Mexico, with 32 years of record.

Key Facts for Las Esperanzas

Las Esperanzas (MXN00005166) is a weather station in Mexico at 27.73 latitude and -101.35 longitude, 450 m (1,476 ft) above sea level.
The station reports from 1981 to 2012, 32 years of record.
1,464 records set at Las Esperanzas still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 27.73 latitude, -101.35 longitude.
Elevation: 450 m (1,476 ft).
Period of record: 1981 to 2012, 32 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Las Esperanzas. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Las Esperanzas, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.9 C (102.0 F)	-5.0 C (23.0 F)	n/a	n/a
Feb	40.0 C (104.0 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	42.8 C (109.0 F)	0.0 C (32.0 F)	n/a	n/a
Apr	45.6 C (114.1 F)	2.8 C (37.0 F)	n/a	n/a
May	47.8 C (118.0 F)	5.0 C (41.0 F)	n/a	n/a
Jun	48.9 C (120.0 F)	10.0 C (50.0 F)	n/a	n/a
Jul	46.7 C (116.1 F)	11.7 C (53.1 F)	n/a	n/a
Aug	46.7 C (116.1 F)	11.7 C (53.1 F)	n/a	n/a
Sep	45.6 C (114.1 F)	10.0 C (50.0 F)	n/a	n/a
Oct	42.8 C (109.0 F)	5.0 C (41.0 F)	n/a	n/a
Nov	40.0 C (104.0 F)	-1.1 C (30.0 F)	n/a	n/a
Dec	37.8 C (100.0 F)	-7.2 C (19.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Las Esperanzas still stand. 1990 holds the most, with 110.

Standing records at Las Esperanzas by the year they were set
Year set	Standing records
1981	37
1982	28
1983	43
1985	22
1986	109
1987	30
1988	73
1989	63
1990	110
1991	62
1992	65
1993	52
1994	53
1995	77
1996	41
1997	50
1998	91
1999	39
2000	75
2001	32
2002	34
2003	25
2004	29
2005	56
2006	82
2007	40
2008	13
2009	12
2010	7
2011	8
2012	6

Wettest Day of Each Month

May: 104.9 mm (4.1 in)

The wettest day on record for each calendar month at Las Esperanzas. The most was 104.9 mm (4.1 in) on 19 May 1992.

Record daily precipitation for each month at Las Esperanzas
Month	Record daily precipitation (mm)	Date
Jan	39.9 mm (1.6 in)	21 January 1994
Feb	41.9 mm (1.6 in)	24 February 1982
Mar	44.2 mm (1.7 in)	15 March 1998
Apr	45.0 mm (1.8 in)	24 April 1992
May	104.9 mm (4.1 in)	19 May 1992
Jun	99.8 mm (3.9 in)	17 June 2000
Jul	95.0 mm (3.7 in)	1 July 2003
Aug	89.9 mm (3.5 in)	8 August 2002
Sep	69.9 mm (2.8 in)	28 September 1984
Oct	65.0 mm (2.6 in)	17 October 1998
Nov	42.7 mm (1.7 in)	15 November 2004
Dec	43.2 mm (1.7 in)	7 December 2006

Period of Record Coverage

1981 to 2012

32 years of record at Las Esperanzas, 1981 to 2012. 17 years have data for under 90 percent of days and are left out of rankings: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 and others.

Days with data per year at Las Esperanzas
Year	Days with data	Share of year	Complete
1981	329	90%	Yes
1982	273	75%	No
1983	137	38%	No
1984	60	16%	No
1985	152	42%	No
1986	309	85%	No
1987	325	89%	No
1988	274	75%	No
1989	185	51%	No
1990	276	76%	No
1991	281	77%	No
1992	329	90%	No
1993	321	88%	No
1994	351	96%	Yes
1995	347	95%	Yes
1996	345	94%	Yes
1997	352	96%	Yes
1998	353	97%	Yes
1999	322	88%	No
2000	315	86%	No
2001	349	96%	Yes
2002	308	84%	No
2003	332	91%	Yes
2004	351	96%	Yes
2005	355	97%	Yes
2006	351	96%	Yes
2007	359	98%	Yes
2008	351	96%	Yes
2009	341	93%	Yes
2010	327	90%	No
2011	302	83%	No
2012	351	96%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

16 complete years, 1987 to 2012

One stripe for each of 16 complete years at Las Esperanzas, 1987 to 2012. Blue stripes are years cooler than the station's own mean of 23.7 C (74.6 F); red stripes are warmer. The coolest year was 1992, at 18.0 C (64.4 F), and the warmest was 1998, at 26.4 C (79.5 F). The strongest colour marks a difference of 5.7 C (10.3 F).

Annual mean temperature at Las Esperanzas as warming stripes, 1987 to 2012
Year	Annual mean temperature	Difference from the station mean
1987	21.5 C	-2.13 C
1992	18.0 C	-5.65 C
1994	25.2 C	+1.52 C
1995	26.0 C	+2.35 C
1996	24.9 C	+1.18 C
1997	24.4 C	+0.73 C
1998	26.4 C	+2.72 C
2001	24.2 C	+0.57 C
2003	23.5 C	-0.18 C
2004	22.9 C	-0.75 C
2005	24.7 C	+1.05 C
2006	24.4 C	+0.77 C
2007	22.3 C	-1.38 C
2008	23.1 C	-0.62 C
2009	23.5 C	-0.15 C
2012	23.6 C	-0.06 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1981 to 2012

Yearly extremes at Las Esperanzas: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	48.9 C (120.0 F)	1998	42.8 C (109.0 F)	32
Coldest night (TNn)	-7.2 C (19.0 F)	1989	-1.1 C (30.0 F)	32
Wettest day (Rx1day)	104.9 mm (4.1 in)	1992	56.6 mm (2.2 in)	29
Wettest five days (Rx5day)	229.6 mm (9.0 in)	1990	75.5 mm (3.0 in)	29
Longest dry spell (CDD)	116 days	2004	58 days	29

Hottest day (TXx)

The hottest day of the year at Las Esperanzas, 1981 to 2012. The record is 48.9 C (120.0 F) in 1998, marked on the chart; the median year is 42.8 C (109.0 F).

Hottest day (TXx) at Las Esperanzas by year
Year	Hottest day (TXx)
1981	40.6 C (105.1 F)
1982	42.8 C (109.0 F)
1983	35.6 C (96.1 F)
1984	37.8 C (100.0 F)
1985	40.0 C (104.0 F)
1986	41.7 C (107.1 F)
1987	40.0 C (104.0 F)
1988	42.8 C (109.0 F)
1989	31.7 C (89.1 F)
1990	37.8 C (100.0 F)
1991	28.9 C (84.0 F)
1992	32.8 C (91.0 F)
1993	43.9 C (111.0 F)
1994	46.1 C (115.0 F)
1995	47.8 C (118.0 F)
1996	45.0 C (113.0 F)
1997	45.6 C (114.1 F)
1998	48.9 C (120.0 F)
1999	45.6 C (114.1 F)
2000	46.7 C (116.1 F)
2001	46.7 C (116.1 F)
2002	45.6 C (114.1 F)
2003	45.6 C (114.1 F)
2004	43.9 C (111.0 F)
2005	42.8 C (109.0 F)
2006	43.9 C (111.0 F)
2007	40.0 C (104.0 F)
2008	43.9 C (111.0 F)
2009	42.8 C (109.0 F)
2010	43.9 C (111.0 F)
2011	41.7 C (107.1 F)
2012	42.8 C (109.0 F)

Coldest night (TNn)

The coldest night of the year at Las Esperanzas, 1981 to 2012. The record is -7.2 C (19.0 F) in 1989, marked on the chart; the median year is -1.1 C (30.0 F).

Coldest night (TNn) at Las Esperanzas by year
Year	Coldest night (TNn)
1981	-3.3 C (26.1 F)
1982	-2.2 C (28.0 F)
1983	-2.2 C (28.0 F)
1984	17.8 C (64.0 F)
1985	10.6 C (51.1 F)
1986	0.0 C (32.0 F)
1987	-5.0 C (23.0 F)
1988	0.0 C (32.0 F)
1989	-7.2 C (19.0 F)
1990	-4.4 C (24.1 F)
1991	-2.2 C (28.0 F)
1992	-1.1 C (30.0 F)
1993	-4.4 C (24.1 F)
1994	-2.2 C (28.0 F)
1995	3.9 C (39.0 F)
1996	-1.1 C (30.0 F)
1997	-2.2 C (28.0 F)
1998	1.7 C (35.1 F)
1999	-2.2 C (28.0 F)
2000	0.0 C (32.0 F)
2001	0.6 C (33.1 F)
2002	0.6 C (33.1 F)
2003	0.6 C (33.1 F)
2004	-2.2 C (28.0 F)
2005	1.7 C (35.1 F)
2006	0.0 C (32.0 F)
2007	-3.3 C (26.1 F)
2008	1.7 C (35.1 F)
2009	1.7 C (35.1 F)
2010	-4.4 C (24.1 F)
2011	-5.0 C (23.0 F)
2012	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at Las Esperanzas, 1981 to 2012. The record is 104.9 mm (4.1 in) in 1992, marked on the chart; the median year is 56.6 mm (2.2 in).

Wettest day (Rx1day) at Las Esperanzas by year
Year	Wettest day (Rx1day)
1981	43.9 mm (1.7 in)
1982	64.8 mm (2.6 in)
1983	37.8 mm (1.5 in)
1984	69.9 mm (2.8 in)
1985	13.0 mm (0.5 in)
1986	26.9 mm (1.1 in)
1987	59.9 mm (2.4 in)
1988	49.8 mm (2.0 in)
1989	69.9 mm (2.8 in)
1990	59.9 mm (2.4 in)
1991	49.8 mm (2.0 in)
1992	104.9 mm (4.1 in)
1993	49.8 mm (2.0 in)
1994	39.9 mm (1.6 in)
1995	49.8 mm (2.0 in)
1996	59.9 mm (2.4 in)
1997	82.8 mm (3.3 in)
1998	65.0 mm (2.6 in)
1999	79.8 mm (3.1 in)
2000	99.8 mm (3.9 in)
2001	30.0 mm (1.2 in)
2002	89.9 mm (3.5 in)
2003	95.0 mm (3.7 in)
2004	42.7 mm (1.7 in)
2005	36.6 mm (1.4 in)
2006	56.6 mm (2.2 in)
2007	73.9 mm (2.9 in)
2008	n/a
2009	n/a
2010	34.8 mm (1.4 in)
2011	34.8 mm (1.4 in)
2012	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Las Esperanzas, 1981 to 2012. The record is 229.6 mm (9.0 in) in 1990, marked on the chart; the median year is 75.5 mm (3.0 in).

Wettest five days (Rx5day) at Las Esperanzas by year
Year	Wettest five days (Rx5day)
1981	118.6 mm (4.7 in)
1982	89.7 mm (3.5 in)
1983	49.8 mm (2.0 in)
1984	79.8 mm (3.1 in)
1985	21.8 mm (0.9 in)
1986	61.7 mm (2.4 in)
1987	74.9 mm (2.9 in)
1988	74.4 mm (2.9 in)
1989	74.7 mm (2.9 in)
1990	229.6 mm (9.0 in)
1991	69.6 mm (2.7 in)
1992	124.7 mm (4.9 in)
1993	75.5 mm (3.0 in)
1994	47.5 mm (1.9 in)
1995	50.3 mm (2.0 in)
1996	93.7 mm (3.7 in)
1997	111.5 mm (4.4 in)
1998	109.3 mm (4.3 in)
1999	89.2 mm (3.5 in)
2000	99.8 mm (3.9 in)
2001	41.7 mm (1.6 in)
2002	168.6 mm (6.6 in)
2003	217.7 mm (8.6 in)
2004	120.2 mm (4.7 in)
2005	58.2 mm (2.3 in)
2006	68.5 mm (2.7 in)
2007	118.3 mm (4.7 in)
2008	n/a
2009	n/a
2010	34.8 mm (1.4 in)
2011	34.8 mm (1.4 in)
2012	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Las Esperanzas, 1981 to 2012. The record is 116 days in 2004, marked on the chart; the median year is 58 days.

Longest dry spell (CDD) at Las Esperanzas by year
Year	Longest dry spell (CDD)
1981	69 days
1982	49 days
1983	36 days
1984	58 days
1985	73 days
1986	54 days
1987	57 days
1988	75 days
1989	45 days
1990	43 days
1991	59 days
1992	48 days
1993	44 days
1994	37 days
1995	101 days
1996	95 days
1997	98 days
1998	81 days
1999	67 days
2000	42 days
2001	64 days
2002	59 days
2003	67 days
2004	116 days
2005	65 days
2006	40 days
2007	58 days
2008	n/a
2009	n/a
2010	28 days
2011	28 days
2012	n/a

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Las Esperanzas standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Las Esperanzas threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).